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#include <glm/geometric.hpp>
#include <glm/trigonometric.hpp>
#include <glm/ext/scalar_relational.hpp>
#include <glm/ext/vector_relational.hpp>
#include <glm/ext/vector_float1.hpp>
#include <glm/ext/vector_float2.hpp>
#include <glm/ext/vector_float3.hpp>
#include <glm/ext/vector_float4.hpp>
#include <glm/ext/vector_double2.hpp>
#include <glm/ext/vector_double3.hpp>
#include <glm/ext/vector_double4.hpp>
#include <limits>
namespace length
{
static int test()
{
float Length1 = glm::length(glm::vec1(1));
float Length2 = glm::length(glm::vec2(1, 0));
float Length3 = glm::length(glm::vec3(1, 0, 0));
float Length4 = glm::length(glm::vec4(1, 0, 0, 0));
int Error = 0;
Error += glm::abs(Length1 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Length2 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Length3 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Length4 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
return Error;
}
}//namespace length
namespace distance
{
static int test()
{
float Distance1 = glm::distance(glm::vec1(1), glm::vec1(1));
float Distance2 = glm::distance(glm::vec2(1, 0), glm::vec2(1, 0));
float Distance3 = glm::distance(glm::vec3(1, 0, 0), glm::vec3(1, 0, 0));
float Distance4 = glm::distance(glm::vec4(1, 0, 0, 0), glm::vec4(1, 0, 0, 0));
int Error = 0;
Error += glm::abs(Distance1) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Distance2) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Distance3) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Distance4) < std::numeric_limits<float>::epsilon() ? 0 : 1;
return Error;
}
}//namespace distance
namespace dot
{
static int test()
{
float Dot1 = glm::dot(glm::vec1(1), glm::vec1(1));
float Dot2 = glm::dot(glm::vec2(1), glm::vec2(1));
float Dot3 = glm::dot(glm::vec3(1), glm::vec3(1));
float Dot4 = glm::dot(glm::vec4(1), glm::vec4(1));
int Error = 0;
Error += glm::abs(Dot1 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Dot2 - 2.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Dot3 - 3.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
Error += glm::abs(Dot4 - 4.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
return Error;
}
}//namespace dot
namespace cross
{
static int test()
{
glm::vec3 Cross1 = glm::cross(glm::vec3(1, 0, 0), glm::vec3(0, 1, 0));
glm::vec3 Cross2 = glm::cross(glm::vec3(0, 1, 0), glm::vec3(1, 0, 0));
int Error = 0;
Error += glm::all(glm::lessThan(glm::abs(Cross1 - glm::vec3(0, 0, 1)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
Error += glm::all(glm::lessThan(glm::abs(Cross2 - glm::vec3(0, 0,-1)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
return Error;
}
}//namespace cross
namespace normalize
{
static int test()
{
int Error = 0;
glm::vec3 Normalize1 = glm::normalize(glm::vec3(1, 0, 0));
glm::vec3 Normalize2 = glm::normalize(glm::vec3(2, 0, 0));
Error += glm::all(glm::lessThan(glm::abs(Normalize1 - glm::vec3(1, 0, 0)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
Error += glm::all(glm::lessThan(glm::abs(Normalize2 - glm::vec3(1, 0, 0)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
glm::vec3 ro = glm::vec3(glm::cos(5.f) * 3.f, 2.f, glm::sin(5.f) * 3.f);
glm::vec3 w = glm::normalize(glm::vec3(0, -0.2f, 0) - ro);
glm::vec3 u = glm::normalize(glm::cross(w, glm::vec3(0, 1, 0)));
glm::vec3 v = glm::cross(u, w);
glm::vec3 x = glm::cross(w, u);
Error += glm::all(glm::equal(x + v, glm::vec3(0), 0.01f)) ? 0 : 1;
return Error;
}
}//namespace normalize
namespace faceforward
{
static int test()
{
int Error = 0;
{
glm::vec3 N(0.0f, 0.0f, 1.0f);
glm::vec3 I(1.0f, 0.0f, 1.0f);
glm::vec3 Nref(0.0f, 0.0f, 1.0f);
glm::vec3 F = glm::faceforward(N, I, Nref);
Error += glm::all(glm::equal(F, glm::vec3(0.0, 0.0, -1.0), 0.0001f)) ? 0 : 1;
}
return Error;
}
}//namespace faceforward
namespace reflect
{
static int test()
{
int Error = 0;
{
glm::vec2 A(1.0f,-1.0f);
glm::vec2 B(0.0f, 1.0f);
glm::vec2 C = glm::reflect(A, B);
Error += glm::all(glm::equal(C, glm::vec2(1.0, 1.0), 0.0001f)) ? 0 : 1;
}
{
glm::dvec2 A(1.0f,-1.0f);
glm::dvec2 B(0.0f, 1.0f);
glm::dvec2 C = glm::reflect(A, B);
Error += glm::all(glm::equal(C, glm::dvec2(1.0, 1.0), 0.0001)) ? 0 : 1;
}
return Error;
}
}//namespace reflect
namespace refract
{
static int test()
{
int Error = 0;
{
float A(-1.0f);
float B(1.0f);
float C = glm::refract(A, B, 0.5f);
Error += glm::equal(C, -1.0f, 0.0001f) ? 0 : 1;
}
{
glm::vec2 A(0.0f,-1.0f);
glm::vec2 B(0.0f, 1.0f);
glm::vec2 C = glm::refract(A, B, 0.5f);
Error += glm::all(glm::equal(C, glm::vec2(0.0, -1.0), 0.0001f)) ? 0 : 1;
}
{
glm::dvec2 A(0.0f,-1.0f);
glm::dvec2 B(0.0f, 1.0f);
glm::dvec2 C = glm::refract(A, B, 0.5);
Error += glm::all(glm::equal(C, glm::dvec2(0.0, -1.0), 0.0001)) ? 0 : 1;
}
{
glm::vec4 A(0.0f, -1.0f, 0.0f, 0.0f);
glm::vec4 B(0.0f, 1.0f, 0.0f, 0.0f);
glm::vec4 C = glm::refract(A, B, 0.5f);
Error += glm::all(glm::equal(C, glm::vec4(0.0, -1.0, 0.0f, 0.0f), 0.0001f)) ? 0 : 1;
}
return Error;
}
}//namespace refract
int main()
{
int Error(0);
Error += length::test();
Error += distance::test();
Error += dot::test();
Error += cross::test();
Error += normalize::test();
Error += faceforward::test();
Error += reflect::test();
Error += refract::test();
return Error;
}
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